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Najda Board V1.3 Specifications

Analogue Section
Inputs: 1x stereo unbalanced
Max input level: 1 Vrms / 2 Vrms selected via switches
Ouptuts: 8x mono unbalanced
Max output level: Adjustable 1 Vrms to 6 Vrms
AD/DA converters: 24 bits, 48/96/192 kHz, 114/114 dB DNR-A
Volume: Analogue volume digitally controlled

Digital Section
Stereo S/PDIF inputs: 1x coaxial, 1x optical
S/PDIF outputs: 5x coaxial w/ isolation transformer (10 channels)
1x optical (2 channels)
I2S inputs: 1x (expandable to 6x)
I2S outputs: 3x (6 channels)
Input sampling frequency: from 32 to 192 kHz

Computing Unit
DSP: Dual-Core 250 MHz
Type: Fixed-point 24-bit, 500 MMACs
Processing sampling frequency: 48, 96 or 192 kHz selectable
Other: Micro-controller managing peripherals

Interface (parts to be supplied by user)
Display: 2 lines 16 characters
LCD HD44780-compatible backlit,
OLED WS0010 or VFD PT6314
Leds: 7 units
Push-buttons: 8 units, normally open
IR sensor: 5 V, 36~38 kHz
NEC, JVC, Apple and RC5 protocols supported
Relay: Onboard isolated programmable command
Rotary encoder: Optional (volume control)

Board sizes: 230 x 130 mm
Supply requirements: 5V and +/-12V
Power consumption: < 10 W
Operating temperature: 0C to 50C (32F to 122F)

'Najda Under Control' Application Requirements

Minimal configuration: Processor 800 MHz, 256 MB RAM
Recommended display: 800 x 600 or higher resolution
Connection: Via USB port
Operating system: Windows 2000/XP/Vista/Seven (available)
Linux (coming soon)
MacOS (prospected)
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